The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - In the Linux kernel, the following vulnerability has been resolved: net/sched: act_ct: fix wild memory     access when clearing fragments while testing re-assembly/re-fragmentation using act_ct, it's possible to     observe a crash like the following one: KASAN: maybe wild-memory-access in range     [0x0001000000000448-0x000100000000044f] CPU: 50 PID: 0 Comm: swapper/50 Tainted: G S 5.12.0-rc7+ #424     Hardware name: Dell Inc. PowerEdge R730/072T6D, BIOS 2.4.3 01/17/2017 RIP:
    0010:inet_frag_rbtree_purge+0x50/0xc0 Code: 00 fc ff df 48 89 c3 31 ed 48 89 df e8 a9 7a 38 ff 4c 89 fe 48     89 df 49 89 c6 e8 5b 3a 38 ff 48 8d 7b 40 48 89 f8 48 c1 e8 03 <42> 80 3c 20 00 75 59 48 8d bb d0 00 00 00     4c 8b 6b 40 48 89 f8 48 RSP: 0018:ffff888c31449db8 EFLAGS: 00010203 RAX: 0000200000000089 RBX:
    000100000000040e RCX: ffffffff989eb960 RDX: 0000000000000140 RSI: ffffffff97cfb977 RDI: 000100000000044e     RBP: 0000000000000900 R08: 0000000000000000 R09: ffffed1186289350 R10: 0000000000000003 R11:
    ffffed1186289350 R12: dffffc0000000000 R13: 000100000000040e R14: 0000000000000000 R15: ffff888155e02160     FS: 0000000000000000(0000) GS:ffff888c31440000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000     CR0: 0000000080050033 CR2: 00005600cb70a5b8 CR3: 0000000a2c014005 CR4: 00000000003706e0 DR0:
    0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0     DR7: 0000000000000400 Call Trace: <IRQ> inet_frag_destroy+0xa9/0x150 call_timer_fn+0x2d/0x180     run_timer_softirq+0x4fe/0xe70 __do_softirq+0x197/0x5a0 irq_exit_rcu+0x1de/0x200     sysvec_apic_timer_interrupt+0x6b/0x80 </IRQ> when act_ct temporarily stores an IP fragment, restoring the     skb qdisc cb results in putting random data in FRAG_CB(), and this causes those wild memory accesses     later, when the rbtree is purged. Never overwrite the skb cb in case tcf_ct_handle_fragments() returns
    -EINPROGRESS. (CVE-2021-47014)

Note that Nessus relies on the presence of the package as reported by the vendor.

Detections

Analytics

Linux Distros Unpatched Vulnerability : CVE-2021-47014

high Nessus Plugin ID 229820

Version 1.8

Version 1.7

Version 1.6

Version 1.3

Version 1.2

Version 1.1

Version 1.8 Nov 7, 2026, 4:01 AM Detection (updated detection logic) Plugin metadata Plugin Feed: 202611070401
Version 1.7 Sep 2, 2026, 11:53 AM Detection (updated detection logic) Plugin metadata Plugin Feed: 202609021153
Version 1.6 Jul 18, 2026, 3:00 PM CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:U/RL:U/RC:C") CVSS temporal metrics ("CVSSv3 temporal vector" set to "CVSS:3.0/E:U/RL:U/RC:C") Detection (updated detection logic) Plugin Feed: 202607181500
Version 1.3 Aug 31, 2025, 7:32 PM CVSS metrics ("Cvssv4 score" set to 0.0) CVSSv2 severity (based on None, severity decreased from "High" to "Low") Detection (updated detection logic) Plugin Feed: 202508311932
Version 1.2 Aug 15, 2025, 7:38 PM CVSS metrics ("CVSSv2 score" set to 4.9) CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C") CVSS metrics ("Cvssv4 score" set to 0.0) CVSSv2 severity (based on None, severity decreased from "High" to "Low") Detection (updated detection logic) Plugin metadata Plugin Feed: 202508151938
Version 1.1 Mar 6, 2025, 7:23 AM New Plugin Feed: 202503060723